Comparison of inkjet-printed and microfabricated loop antennas for implants in wireless brain-machine interface systems

Author

Moradi, Elham ; Bjorninen, Toni ; Sydanheimo, Lauri ; Ukkonen, Leena

Author_Institution

Dept. of Electron. & Commun. Eng., Tampere Univ. of Technol., Tampere, Finland

fYear

2014

fDate

8-10 Dec. 2014

Firstpage

1

Lastpage

3

Abstract

We analyze the performance of an inductive link between a cm-size loop antenna based on conventional circuit board fabrication and 6.5×6.5 mm² planar loop antennas deposited on flexible platforms by inkjet printing gold nanoparticle ink and by electron-beam evaporation. The highly flexible antennas have been designed to provide wireless power and data telemetry for battery-free cortical implants in wireless brain-machine interface systems. The performance of the wireless link is analyzed through full-wave electromagnetic simulations in an anatomical head model and through measurements in a liquid head phantom.

Keywords

biomedical telemetry; brain; brain-computer interfaces; gold; ink jet printing; loop antennas; microfabrication; nanomedicine; nanoparticles; phantoms; physiological models; prosthetics; telemedicine; Au; anatomical head model; battery-free cortical implants; circuit board fabrication; electron-beam evaporation; full-wave electromagnetic simulations; inductive link; inkjet printing gold nanoparticle ink; inkjet-printed loop antennas; liquid head phantom; microfabricated loop antennas; planar loop antennas; wireless brain-machine interface systems; wireless data telemetry; wireless power telemetry; Antenna measurements; Implants; Integrated circuit modeling; Transmitting antennas; Wireless communication; Wireless sensor networks; Implantable antennas; brain-machine interface systems; inkjet-printing; liquid head phantom; printable electronics; wireless powering;

fLanguage

English

Publisher

ieee

Conference_Titel

RF and Wireless Technologies for Biomedical and Healthcare Applications (IMWS-Bio), 2014 IEEE MTT-S International Microwave Workshop Series on

Conference_Location

London

Print_ISBN

978-1-4799-5445-2

Type

conf

DOI

10.1109/IMWS-BIO.2014.7032415

Filename

7032415